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translator: Small optimization for V_SAD_U32

This commit is contained in:
IndecisiveTurtle 2024-08-12 18:23:59 +03:00
parent 8d4a92a0cd
commit 7243b08fe8
1 changed files with 11 additions and 3 deletions
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14
src/shader_recompiler/frontend/translate/vector_alu.cpp
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@ -709,9 +709,17 @@ void Translator::V_SAD_U32(const GcnInst& inst) {
const IR::U32 src0{GetSrc(inst.src[0])};
const IR::U32 src1{GetSrc(inst.src[1])};
const IR::U32 src2{GetSrc(inst.src[2])};
const IR::U32 max{ir.IMax(src0, src1, false)};
const IR::U32 min{ir.IMin(src0, src1, false)};
SetDst(inst.dst[0], ir.IAdd(ir.ISub(max, min), src2));
IR::U32 result;
if (src0.IsImmediate() && src0.U32() == 0U) {
result = src1;
} else if (src1.IsImmediate() && src1.U32() == 0U) {
result = src0;
} else {
const IR::U32 max{ir.IMax(src0, src1, false)};
const IR::U32 min{ir.IMin(src0, src1, false)};
result = ir.ISub(max, min);
}
SetDst(inst.dst[0], ir.IAdd(result, src2));
}
void Translator::V_BFE_U32(bool is_signed, const GcnInst& inst) {